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173
README.md
173
README.md
@ -6,7 +6,6 @@ It wraps `iptables`, `dnsmasq` etc. stuff. Use in one command, restore in one co
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[Linux-Router News & Developer Notes 📰](https://github.com/garywill/linux-router/issues/28) | [More tools and projects 🛠️](https://garywill.github.io) | [🍻 Buy me a coffee ❤️](https://github.com/garywill/receiving/blob/master/receiving_methods.md)
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## Features
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Basic features:
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@ -25,7 +24,6 @@ Basic features:
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- Transparent proxy (redsocks)
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- Transparent DNS proxy (hijack port 53 packets)
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- Detect NetworkManager and make sure it won't interfere (handle interface (un)managed status)
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- Detect firewalld and make sure it won't interfere our (by using `trusted` zone)
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- You can run many instances, to create many different networks. Has instances managing feature.
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**For many other features, see below [CLI usage](#cli-usage-and-other-features)**
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@ -63,36 +61,11 @@ Internet----(eth0/wlan0)-Linux-(eth1)------Another PC
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Internet----(eth0/wlan0)-Linux-(virtual interface)-----VM/container
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```
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## Install
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1-file-script. Release on [Linux-router repo on Github](https://github.com/garywill/linux-router). Just download and run the bash script (meet the dependencies). In this case use without installation.
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I'm currently not packaging for any distro. If you do, open a PR and add the link (can be with a version badge) to list here
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| Linux distro | |
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| ------------ | ---------------------------------------------------------------------------------------------------------- |
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| Any | download [1-file-script](https://raw.githubusercontent.com/garywill/linux-router/master/lnxrouter) and run without installation |
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### Dependencies
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- bash
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- procps or procps-ng
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- iproute2
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- dnsmasq
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- iptables (or nftables with `iptables-nft` translation linked)
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- WiFi hotspot dependencies
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- hostapd
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- iw (or iwconfig, when iw can not recognize adapter)
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- haveged (optional)
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- crda and wireless-regdb (optional)
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## Usage
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### Provide Internet to an interface
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```bash
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```
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sudo lnxrouter -i eth1
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```
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@ -100,7 +73,7 @@ no matter which interface (other than `eth1`) you're getting Internet from.
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### Create WiFi hotspot
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```bash
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```
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sudo lnxrouter --ap wlan0 MyAccessPoint -p MyPassPhrase
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```
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@ -112,29 +85,30 @@ Clients access Internet through only `isp5`
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<details>
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```bash
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```
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sudo lnxrouter -i eth1 -o isp5 --no-dns --dhcp-dns 1.1.1.1 -6 --dhcp-dns6 [2606:4700:4700::1111]
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```
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> In this case of usage, it's recommended to:
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>
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> 1. Stop serving local DNS
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> 2. Tell clients which DNS to use (ISP5's DNS. Or, a safe public DNS, like above example)
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> 2. Tell clients which DNS to use ISP5's DNS. (Or, a safe public DNS, like above example)
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> Also, read *Notice 1*
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</details>
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### Create LAN without providing Internet
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### LAN without Internet
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<details>
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```bash
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sudo lnxrouter -n -i eth1
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```
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```bash
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sudo lnxrouter -n -i eth1
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sudo lnxrouter -n --ap wlan0 MyAccessPoint -p MyPassPhrase
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```
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> Read _Notice 1_
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</details>
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### Internet for LXC
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@ -143,7 +117,7 @@ sudo lnxrouter -n --ap wlan0 MyAccessPoint -p MyPassPhrase
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Create a bridge
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```bash
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```
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sudo brctl addbr lxcbr5
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```
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@ -156,7 +130,7 @@ lxc.network.link = lxcbr5
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lxc.network.hwaddr = xx:xx:xx:xx:xx:xx
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```
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```bash
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```
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sudo lnxrouter -i lxcbr5
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```
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@ -168,7 +142,7 @@ All clients' Internet traffic go through, for example, Tor (notice this example
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<details>
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```bash
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```
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sudo lnxrouter -i eth1 --tp 9040 --dns 9053 -g 192.168.55.1 -6 --p6 fd00:5:6:7::
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```
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@ -193,7 +167,7 @@ To not give our infomation to clients. Clients can still access Internet.
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<details>
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```bash
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```
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sudo lnxrouter -i eth1 \
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--tp 9040 --dns 9053 \
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--random-mac \
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@ -211,13 +185,13 @@ sudo lnxrouter -i eth1 \
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Create a bridge
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```bash
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```
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sudo brctl addbr lxdbr5
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```
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Create and add a new LXD profile overriding container's `eth0`
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```bash
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```
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lxc profile create profile5
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lxc profile edit profile5
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@ -235,13 +209,13 @@ name: profile5
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lxc profile add <container> profile5
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```
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```bash
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```
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sudo lnxrouter -i lxdbr5 --tp 9040 --dns 9053
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```
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To remove that new profile from container
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```bash
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```
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lxc profile remove <container> profile5
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```
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@ -249,13 +223,13 @@ lxc profile remove <container> profile5
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Add new `eth0` to container overriding default `eth0`
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```bash
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```
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lxc config device add <container> eth0 nic name=eth0 nictype=bridged parent=lxdbr5
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```
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To remove the customized `eth0` to restore default `eth0`
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```bash
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```
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lxc config device remove <container> eth0
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```
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@ -267,7 +241,7 @@ lxc config device remove <container> eth0
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In VirtualBox's global settings, create a host-only network `vboxnet5` with DHCP disabled.
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```bash
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```
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sudo lnxrouter -i vboxnet5 --tp 9040 --dns 9053
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```
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@ -279,11 +253,11 @@ sudo lnxrouter -i vboxnet5 --tp 9040 --dns 9053
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Create a bridge
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```bash
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```
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sudo brctl addbr firejail5
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```
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```bash
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```
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sudo lnxrouter -i firejail5 -g 192.168.55.1 --tp 9040 --dns 9053
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firejail --net=firejail5 --dns=192.168.55.1 --blacklist=/var/run/nscd
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```
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@ -309,16 +283,17 @@ Options:
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and to provide Internet to
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(To create WiFi hotspot use '--ap' instead)
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-o <interface> Specify an inteface to provide Internet from.
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(See Notice 1)
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(Note using this with default DNS option may leak
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queries to other interfaces)
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-n Do not provide Internet
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-n Do not provide Internet (See Notice 1)
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--ban-priv Disallow clients to access my private network
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-g <ip> This host's IPv4 address in subnet (mask is /24)
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(example: '192.168.5.1' or '5' shortly)
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-6 Enable IPv6 (NAT)
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--no4 Disable IPv4 Internet (not forwarding IPv4).
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Usually used with '-6'
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--no4 Disable IPv4 Internet (not forwarding IPv4)
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(See Notice 1). Usually used with '-6'
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--p6 <prefix> Set IPv6 LAN address prefix (length 64)
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(example: 'fd00:0:0:5::' or '5' shortly)
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@ -327,7 +302,7 @@ Options:
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--dns <ip>|<port>|<ip:port>
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DNS server's upstream DNS.
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Use ',' to seperate multiple servers
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(default: use /etc/resolv.conf)
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(default: use /etc/resolve.conf)
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(Note IPv6 addresses need '[]' around)
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--no-dns Do not serve DNS
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--no-dnsmasq Disable dnsmasq server (DHCP, DNS, RA)
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@ -367,7 +342,7 @@ Options:
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Using this you can't use same wlan interface
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for both Internet and AP
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--virt-name <name> Set name of virtual interface
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-c <channel> Specify channel (default: use current, or 1 / 36)
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-c <channel> Channel number (default: 1)
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--country <code> Set two-letter country code for regularity
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(example: US)
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--freq-band <GHz> Set frequency band: 2.4 or 5 (default: 2.4)
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@ -381,28 +356,13 @@ Options:
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(defaults to /etc/hostapd/hostapd.accept)
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--hostapd-debug <level> 1 or 2. Passes -d or -dd to hostapd
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--isolate-clients Disable wifi communication between clients
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--no-haveged Do not run haveged automatically when needed
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--hs20 Enable Hotspot 2.0
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WiFi 4 (802.11n) configs:
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--wifi4 Enable IEEE 802.11n (HT)
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--req-ht Require station HT (High Throughput) mode
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--ht-capab <HT caps> HT capabilities (default: [HT40+])
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WiFi 5 (802.11ac) configs:
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--wifi5 Enable IEEE 802.11ac (VHT)
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--req-vht Require station VHT (Very High Thoughtput) mode
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--vht-capab <VHT caps> VHT capabilities
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--vht-ch-width <index> Index of VHT channel width:
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0 for 20MHz or 40MHz (default)
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1 for 80MHz
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2 for 160MHz
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3 for 80+80MHz (Non-contigous 160MHz)
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--vht-seg0-ch <channel> Channel index of VHT center frequency for primary
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segment. Use with '--vht-ch-width'
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--vht-seg1-ch <channel> Channel index of VHT center frequency for secondary
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(second 80MHz) segment. Use with '--vht-ch-width 3'
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--ieee80211n Enable IEEE 802.11n (HT)
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--ieee80211ac Enable IEEE 802.11ac (VHT)
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--ht_capab <HT> HT capabilities (default: [HT40+])
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--vht_capab <VHT> VHT capabilities
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--no-haveged Do not run haveged automatically when needed
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Instance managing:
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--daemon Run in background
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@ -414,11 +374,20 @@ Options:
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--stop <id> Stop a running instance
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For <id> you can use PID or subnet interface name.
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You can get them with '--list-running'
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Examples:
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lnxrouter -i eth1
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lnxrouter --ap wlan0 MyAccessPoint -p MyPassPhrase
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lnxrouter -i eth1 --tp <transparent-proxy> --dns <dns-proxy>
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```
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</details>
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## Notice
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<details>
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```
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Notice 1: This script assume your host's default policy won't forward
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packets, so the script won't explictly ban forwarding in any
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mode. In some unexpected case (eg. mistaken configurations) may
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cause unwanted packets leakage between 2 networks, which you
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should be aware of if you want isolated network
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```
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</details>
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@ -434,25 +403,39 @@ On exit of a linux-router instance, script **will do cleanup**, i.e. undo most c
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5. The wifi device which is used to create hotspot is `rfkill unblock`ed
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6. WiFi country code, if user assigns
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## Meet contributor(s) and become one of them
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||||
## Install
|
||||
|
||||
Visit [**my homepage** 🏡](https://garywill.github.io) to see **more tools and projects** 🛠️.
|
||||
1-file-script. Download and run (meet the dependencies).
|
||||
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||||
> [❤️ Buy me a coffee](https://github.com/garywill/receiving/blob/master/receiving_methods.md) , this project took me lots of time! ([❤️ 扫码领红包并打赏一个!](https://github.com/garywill/receiving/blob/master/receiving_methods.md))
|
||||
>
|
||||
> 🥂 ( ^\_^) o自自o (^_^ ) 🍻
|
||||
I'm currently not packaging for any distro. If you do, open a PR and add the link (can be with a version badge) to list here:
|
||||
|
||||
🤝 Bisides, thank [create_ap](https://github.com/oblique/create_ap) by [oblique](https://github.com/oblique). This script was forked from create\_ap. Now they are quite different. (See `history` branch for how I modified create_ap). 🤝 Also thank those who contributed to that project.
|
||||
| Linux distro | |
|
||||
| ------------ | ---------------------------------------------------------------------------------------------------------- |
|
||||
| Any | download [1-file-script](https://raw.githubusercontent.com/garywill/linux-router/master/lnxrouter) and run |
|
||||
|
||||
👨💻 You can be contributor, too!
|
||||
## Dependencies
|
||||
|
||||
- 🍃 There're some TO-DOs listed, in both [readme TODO](#todo) and [in the code file](https://github.com/garywill/linux-router/search?q=TODO&type=code)
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||||
- 🍃 Also some [unfulfilled enhancements in the Issues](https://github.com/garywill/linux-router/issues?q=is%3Aissue+is%3Aopen+label%3Aenhancement)
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||||
- 🙋♂️ Contributions are not limited to coding. There're [some posts and questions](https://github.com/garywill/linux-router/issues) that need more people to answer
|
||||
- bash
|
||||
- procps or procps-ng
|
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- iproute2
|
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- dnsmasq
|
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- iptables (or nftables with `iptables-nft` translation linked)
|
||||
- WiFi hotspot dependencies
|
||||
- hostapd
|
||||
- iw
|
||||
- iwconfig (you only need this if 'iw' can not recognize your adapter)
|
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- haveged (optional)
|
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|
||||
## TODO
|
||||
|
||||
Sooner is better:
|
||||
- Detect firewalld and make sure it won't interfere our interface
|
||||
|
||||
Future:
|
||||
- WPA3
|
||||
- Global IPv6
|
||||
- Explictly ban forwarding if not needed
|
||||
- Bring bridging method back
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## License
|
||||
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@ -513,4 +496,14 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
</details>
|
||||
|
||||
## Meet developer(s) and become one of them
|
||||
|
||||
Visit [**my homepage** 🏡](https://garywill.github.io) to see **more tools and projects** 🛠️.
|
||||
|
||||
> [❤️ Buy me a coffee](https://github.com/garywill/receiving/blob/master/receiving_methods.md) , this project took me lots of time! ([❤️ 扫码领红包并打赏一个!](https://github.com/garywill/receiving/blob/master/receiving_methods.md))
|
||||
>
|
||||
> 🥂 ( ^\_^) o自自o (^_^ ) 🍻
|
||||
|
||||
🤝 Bisides, thank [create_ap](https://github.com/oblique/create_ap) by [oblique](https://github.com/oblique). This script was forked from create\_ap. Now they are quite different. (See `history` branch for how I modified create_ap). 🤝 Also thank those who contributed to that project.
|
||||
|
||||
👨💻 You can be contributor, too! 🍃 There're some TO-DOs listed, at both [above](#todo) and [in the code file](https://github.com/garywill/linux-router/search?q=TODO&type=code). 🍃 Also some [unfulfilled enhancements in the Issues](https://github.com/garywill/linux-router/issues?q=is%3Aissue+is%3Aopen+label%3Aenhancement). Your name can be here!
|
||||
|
||||
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Reference in New Issue
Block a user